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Finding the Fourth Proportional to 436,472.84, 602,326.72 and 245,486.23

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Solution

The fourth proportional to 436,472.84, 602,326.72 and 245,486.23 is: 338,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,472.84 : 602,326.72 = 245,486.23 : x
  2. Step 2: Convert to fraction form
    436,472.84/602,326.72 = 245,486.23/x
  3. Step 3: Cross multiply
    436,472.84x = 602,326.72 × 245,486.23
  4. Step 4: Simplify right side
    436,472.84x = 147,862,916,717.96
  5. Step 5: Solve for x
    x = 147,862,916,717.96/436,472.84
  6. Step 6: Final answer
    x = 338,767.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.